Laryngeal chondrodysplasia, which mostly refers to the softening of the laryngeal cartilage, is a congenital condition that resolves spontaneously in most patients. Some patients have severe respiratory difficulties and require surgical treatment. The disease is mainly caused by insufficient nutrition during pregnancy and fetal calcium deficiency that weakens the laryngeal cartilage. If the disease is not serious, the laryngeal cartilage can gradually develop with age, and most of the children can be cured at the age of 2~3 years. However, children should be protected from cold and respiratory infections, which can exacerbate the symptoms. Calcium and vitamin D supplements can be given to promote the development of the laryngeal cartilage. If the child has obvious respiratory difficulties, surgical treatment, such as tracheotomy and laryngoplasty, is usually required. It is recommended to consult a doctor in time, according to the child’s symptoms under the guidance of the doctor for treatment.